package cn.tedu.jbdc;

import java.sql.*;
import java.util.Scanner;

public class JDBCDemo3 {
    public static void main(String[] args) throws ClassNotFoundException, SQLException {
        Class.forName("com.mysql.cj.jdbc.Driver");

        Connection connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root"
        );

        Statement statement = connection.createStatement();

        Scanner scanner=new Scanner(System.in);
        System.out.println("请输入要注销的用户名:");
        String username = scanner.nextLine();

        String sql = "DELETE FROM userinfo WHERE username= '"+username+"' ";

        int i = statement.executeUpdate(sql);
        if (i>0){
            System.out.println("注销成功");
        }else {
            System.out.println("注销失败");
        }

        connection.close();
        statement.close();

    }
}
